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<tr><th colspan="5" align="center" valign="bottom">PostgreSQL 8.2.3 中文文档</th></tr>
<tr><td width="10%" align="left" valign="top"><a href="view-pg-cursors.html" accesskey="P">后退</a></td><td width="10%" align="left" valign="top"><a href="catalogs.html">快退</a></td><td width="60%" align="center" valign="bottom">章43. 系统表</td><td width="10%" align="right" valign="top"><a href="catalogs.html">快进</a></td><td width="10%" align="right" valign="top"><a href="view-pg-indexes.html" accesskey="N">前进</a></td></tr>
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<div class="SECT1"><h1 class="SECT1"><a name="VIEW-PG-GROUP">43.37. <tt class="STRUCTNAME">pg_group</tt></a></h1><a name="AEN65520"></a>
<p><tt class="STRUCTNAME">pg_group</tt> 的存在是为了向下兼容：它模拟一个存在于 PostgreSQL 版本 8.1 之前的系统表。它显示所有标记为不是 <tt class="STRUCTFIELD">rolcanlogin</tt> 的角色的名字和成员，这就是近似于用做组的那些角色的集合了。</p>
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<p><b>表43-37. <tt class="STRUCTNAME">pg_group</tt> 字段</b></p>
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<tr><th>名字</th><th>类型</th><th>引用</th><th>描述</th></tr>
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<tr><td><tt class="STRUCTFIELD">groname</tt></td><td><tt class="TYPE">name</tt></td><td><tt class="LITERAL"><a href="catalog-pg-authid.html"><tt class="STRUCTNAME">pg_authid</tt></a>.rolname</tt></td><td>组的名字</td></tr>
<tr><td><tt class="STRUCTFIELD">grosysid</tt></td><td><tt class="TYPE">oid</tt></td><td><tt class="LITERAL"><a href="catalog-pg-authid.html"><tt class="STRUCTNAME">pg_authid</tt></a>.oid</tt></td><td>组的 ID</td></tr>
<tr><td><tt class="STRUCTFIELD">grolist</tt></td><td><tt class="TYPE">oid[]</tt></td><td><tt class="LITERAL"><a href="catalog-pg-authid.html"><tt class="STRUCTNAME">pg_authid</tt></a>.oid</tt></td><td>一个数组，包含这个组里面所有角色的 ID</td></tr>
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<tr><td width="33%" align="left" valign="top"><tt class="STRUCTNAME">pg_cursors</tt></td><td width="34%" align="center" valign="top"><a href="catalogs.html" accesskey="U">上一级</a></td><td width="33%" align="right" valign="top"><tt class="STRUCTNAME">pg_indexes</tt></td></tr>
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